/**
 *	@file    dtlsCommon.h
 *	@version 8e6f0e1 (HEAD -> master)
 */
/*
 *	Copyright (c) 2014-2016 INSIDE Secure Corporation
 *	Copyright (c) PeerSec Networks, 2002-2011
 *	All Rights Reserved
 *
 *	The latest version of this code is available at http://www.matrixssl.org
 *
 *	This software is open source; you can redistribute it and/or modify
 *	it under the terms of the GNU General Public License as published by
 *	the Free Software Foundation; either version 2 of the License, or
 *	(at your option) any later version.
 *
 *	This General Public License does NOT permit incorporating this software
 *	into proprietary programs.  If you are unable to comply with the GPL, a
 *	commercial license for this software may be purchased from INSIDE at
 *	http://www.insidesecure.com/
 *
 *	This program is distributed in WITHOUT ANY WARRANTY; without even the
 *	implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 *	See the GNU General Public License for more details.
 *
 *	You should have received a copy of the GNU General Public License
 *	along with this program; if not, write to the Free Software
 *	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *	http://www.gnu.org/copyleft/gpl.html
 */

#ifndef _h_DTLSCOMMON
#define _h_DTLSCOMMON

#include "matrixssl/matrixsslApi.h"

#ifdef USE_DTLS

#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <fcntl.h>			/* Defines FD_CLOEXEC, etc. */
#include <errno.h>			/* Defines EWOULDBLOCK, etc. */

#ifdef POSIX
#include <unistd.h>
#include <netdb.h>			/* Defines AF_INET, etc. */
#include <sys/socket.h>	/* sockaddr */
#include <arpa/inet.h>	/* inet_addr */
#endif /* POSIX */

#ifdef WIN32
#include <WinSock2.h>
#include <WS2tcpip.h>

#define SIGPIPE			SIGABRT
#define close			closesocket
#define MSG_DONTWAIT	0
#endif /* WIN32 */

#ifdef __cplusplus
extern "C" {
#endif

#ifndef SOCKET
typedef int SOCKET;
#endif

/*
	Timeout and debug settings
*/

#define MIN_WAIT_SECS	1	/* SHOULD be 1.  Also the default */
#define MAX_WAIT_SECS	32 /* SHOULD be 2^x as time is doubled on timeout */

/*
	Enable to intentially not send some datagrams for testing purposes
*/
#ifndef DTLS_PACKET_LOSS_TEST
/* #define DTLS_PACKET_LOSS_TEST */
#endif /* DTLS_PACKET_LOSS_TEST */

/*
  Enable a test where the client tries to change the cipher spec during
  a re-handshake and the resulting CHANGE_CIPHER_SPEC message is lost.
  Requires #define DTLS_PACKET_LOST_TEST.
*/
#ifdef DTLS_PACKET_LOSS_TEST
#ifndef DTLS_TEST_LOST_CIPHERSPEC_CHANGE_REHANDSHAKE
/* #define DTLS_TEST_LOST_CIPHERSPEC_CHANGE_REHANDSHAKE */
#endif /* DTLS_TEST_LOST_CIPHERSPEC_CHANGE_REHANDSHAKE */
#endif /* DTLS_PACKET_LOSS_TEST */

#define DTLS_FATAL	-1


#ifdef WIN32
#define SOCKET_ERRNO    WSAGetLastError()
#else
#define SOCKET_ERRNO    errno
#endif

#ifndef INVALID_SOCKET
#define INVALID_SOCKET	-1
#endif

extern void udpInitProxy(void);
extern int32 udpSend(SOCKET s, unsigned char *buf, int len,
					 const struct sockaddr *to, int tolen, int flags,
					 int packet_loss_prob, int *drop_rehandshake_cipher_spec);

#ifdef __cplusplus
}
#endif

#endif /* USE_DTLS */
#endif /* _h_DTLSCOMMON */

/******************************************************************************/
